CN221051757U - Active CaO digestive system in fly ash - Google Patents
Active CaO digestive system in fly ash Download PDFInfo
- Publication number
- CN221051757U CN221051757U CN202322951499.1U CN202322951499U CN221051757U CN 221051757 U CN221051757 U CN 221051757U CN 202322951499 U CN202322951499 U CN 202322951499U CN 221051757 U CN221051757 U CN 221051757U
- Authority
- CN
- China
- Prior art keywords
- water
- bin
- digestion
- fly ash
- digesting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010881 fly ash Substances 0.000 title claims abstract description 21
- 210000002249 digestive system Anatomy 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 230000029087 digestion Effects 0.000 claims abstract description 50
- 239000002956 ash Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000008235 industrial water Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 239000010842 industrial wastewater Substances 0.000 abstract description 5
- 239000013505 freshwater Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 3
- 238000012840 feeding operation Methods 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses an active CaO digestion system in dedusting ash, which comprises: the upper end of the digestion bin is respectively provided with a feed hopper which can be used for adding water and dedusting ash; the water adding system is used for adding water to the digestion bin and comprises a gas dehydrator and a collecting tank, a liquid collecting hopper arranged at the bottom of the gas dehydrator is communicated with the collecting tank, and a water outlet pipe arranged on the collecting tank is connected with the digestion bin; the feeding system for quantitatively feeding the digestion bin comprises a quantitative feeder arranged at an outlet of a dedusting ash proportioning bin, wherein a discharge end of the quantitative feeder is connected with a feeding port of the digestion bin, the digestion bin comprises a bin body, and an electric powerful stirrer is arranged in the bin body and used for stirring, mixing and digesting the water and the dedusting ash in the bin body. The method utilizes industrial wastewater to digest active CaO in the fly ash, can meet the digestion requirement, can shorten the digestion time, and simultaneously utilizes industrial wastewater to reduce the use of new water, thereby being more environment-friendly and energy-saving.
Description
Technical Field
The utility model belongs to the technical field of metallurgical solid waste utilization, and particularly relates to an active CaO digestion system in fly ash.
Background
In recent years, with the implementation of ultralow emission in the metallurgical industry, the recycling of metallurgical solid wastes is also greatly developed, the steelmaking dust-removal cold-pressed balls are one of the problems, the solid wastes are recycled and then are reused, and the emission is reduced while the cost of smelting cold materials is also reduced.
However, in the process of pressing the fly ash, the active CaO in the fly ash can cause lower balling rate, namely, the active CaO can generate hydration reaction when meeting water, and the volume of the active CaO expands, so that the cold-pressed balls are cracked in the process of drying, and the balling rate is not high; the active CaO in the fly ash must be digested to compact the finished product, and typically, industrial fresh water is used to digest the active CaO in the fly ash in proportion to remove the influence of the active CaO on the finished product pellets.
At present, industrial fresh water is needed to be used for digestion in the dust removal and ball pressing process, and generally, the content of active CaO in the dust removal ash is about 12 percent, so that about 20 percent of industrial fresh water is correspondingly used, the use amount of the industrial fresh water is large, the digestion time of the industrial fresh water is long, generally about 24 hours, and the digestion time is long.
In view of this, an active CaO digestion system in fly ash is proposed.
Disclosure of Invention
The utility model aims at: in order to solve the problems, an active CaO digestion system in the fly ash is provided.
The technical scheme adopted by the utility model is as follows: a system for digesting active CaO in fly ash, comprising:
the upper end of the digestion bin is respectively provided with a feed hopper which can be used for adding water and dedusting ash;
The water adding system is used for adding water to the digestion bin and comprises a gas dehydrator and a collecting tank, a liquid collecting hopper arranged at the bottom of the gas dehydrator is communicated with the collecting tank, and a water outlet pipe arranged on the collecting tank is connected with the digestion bin;
The feeding system for quantitatively feeding the digestion bin comprises a quantitative feeder arranged at an outlet of the dedusting ash proportioning bin, and a discharge end of the quantitative feeder is connected with a feeding port of the digestion bin.
In a preferred embodiment, the digestion bin comprises a bin body, wherein an electric powerful stirrer is arranged in the bin body and is used for stirring, mixing and digesting the water and the dust.
In a preferred embodiment, a discharger is arranged at the discharge hole of the bin body.
In a preferred embodiment, the digestion bin further comprises an auxiliary water adding system, wherein the auxiliary water adding system comprises a vacuum water diversion tank and a water pump connected with the water outlet end of the vacuum water diversion tank, and the water outlet side of the water pump is connected with the digestion bin through a water pipe.
In a preferred embodiment, the water outlet pipe is provided with an industrial water pump, and the water outlet pipe and the water pipe are provided with electronic flow meters.
In a preferred embodiment, the discharger is a star discharger.
In a preferred embodiment, the inner wall of the bin body is coated with a nylon lining plate.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. In the utility model, the industrial wastewater generated by the gas dehydrator is utilized to digest active CaO in the dedusting ash, so that the use of new water can be reduced, and the method is more environment-friendly and energy-saving;
2. In the utility model, the water discharged from the gas dehydrator has weak acidity, and the weak acidity is utilized to accelerate the digestion of active CaO so as to improve the digestion efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the digestion vessel of the present utility model.
The marks in the figure: 1-gas dehydrator, 2-collecting tank, 201-water outlet pipe, 3-vacuum water diversion tank, 301-water pump, 4-quantitative feeder, 5-digestion bin, 501-electric strong stirrer, 502-discharger and 503-bin body.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-2, an active CaO digestion system in a fly ash, comprising: the upper end of the digestion bin 5 is respectively provided with a hopper for adding water and dedusting ash; a water adding system for adding water to a digestion bin 5 comprises a gas dehydrator 1 and a collecting tank 2, wherein a liquid collecting hopper arranged at the bottom of the gas dehydrator 1 is communicated with the collecting tank 2, a water outlet pipe 201 arranged on the collecting tank 2 is connected with the digestion bin 5, industrial wastewater (weak acid water) generated by the gas dehydrator is utilized to digest active CaO in dedusting ash, the use of new water can be reduced, the environment is protected and energy is saved, and the weak acid of water is utilized to accelerate the digestion of active CaO so as to improve the digestion efficiency.
The drainage amount of the gas dehydrator is the same as the use amount of the industrial fresh water.
In this embodiment, a feeding system for quantitatively feeding materials to a digestion bin 5 includes a quantitative feeder 4 disposed at an outlet of a dedusting ash proportioning bin, a discharge end of the quantitative feeder 4 is connected with a feeding port of the digestion bin 5, and quantitative feeding operations can be performed to the digestion bin 5 by using the quantitative feeder 4, so as to realize quantitative feeding operations of materials and water, so as to improve nitrifying quality.
It should be noted that, for example, the ingredients of the fly ash and the subsequent drying and ball pressing processes can be referred to as ingredients and subsequent drying and ball pressing processes mentioned in the publication CN104109755B, and the present utility model is mainly based on the digested portion.
In this embodiment, digestion storehouse 5 includes the storehouse body 503, is equipped with electronic powerful agitator 501 in the storehouse body 503 for mix the digestion to inside water and fly ash, the electronic powerful agitator 501 that has can improve the mixed effect of material and industrial waste water, can improve holistic digestion quality.
In this embodiment, the discharger 502 is disposed at the discharge port of the bin 503, the discharger 502 is a star discharger, after digestion is completed, the discharger 502 is opened, and the digested material can be sent to the next procedure, and the advantage of using the star discharger is that it can perform discharge operation for powder or a certain viscous material.
In this embodiment, nylon lining boards are laid on the inner wall of the bin body 503.
In this embodiment, the water feeding device further comprises an auxiliary water feeding system, the auxiliary water feeding system comprises a vacuum water diversion tank 3 and a water pump 301 connected with the water outlet end of the vacuum water diversion tank 3, the water outlet side of the water pump 301 is connected with the digestion bin 5 through a water pipe, and when the water in the collection tank 2 is insufficient, the auxiliary water feeding system can be utilized for auxiliary water feeding operation so as to meet normal digestion.
Wherein the vacuum water diversion tank 3 is connected with a water source (such as a water well, a tap water pipeline and the like) through a pipeline.
In this embodiment, be equipped with industrial water pump on the outlet pipe 201, all be equipped with electronic flowmeter on outlet pipe 201 and the water pipe, still be equipped with automatically controlled valve on outlet pipe 201 and the water pipe, can look over the discharge of water flow in digestion bin 5 in real time through the electronic flowmeter that has.
The above-mentioned electric control elements (such as an electric control valve, an electronic flowmeter, etc.) are all controlled by an external PLC terminal (not shown in the figure), and the PLC terminal is used to control the overall operation.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. A system for digesting active CaO in fly ash, comprising:
the upper end of the digestion bin is respectively provided with a feed hopper which can be used for adding water and dedusting ash;
The water adding system is used for adding water to the digestion bin and comprises a gas dehydrator and a collecting tank, a liquid collecting hopper arranged at the bottom of the gas dehydrator is communicated with the collecting tank, and a water outlet pipe arranged on the collecting tank is connected with the digestion bin;
The feeding system for quantitatively feeding the digestion bin comprises a quantitative feeder arranged at an outlet of the dedusting ash proportioning bin, and a discharge end of the quantitative feeder is connected with a feeding port of the digestion bin.
2. The system for digesting active CaO in a fly ash according to claim 1, wherein: the digestion bin comprises a bin body, and an electric powerful stirrer is arranged in the bin body and used for stirring, mixing and digesting the water and the dust.
3. The system for digesting active CaO in a fly ash according to claim 2, wherein: and a discharger is arranged at the discharge hole of the bin body.
4. The system for digesting active CaO in a fly ash according to claim 1, wherein: the water feeding device comprises a digestion bin, a vacuum water diversion tank, an auxiliary water feeding system and a water pump, wherein the auxiliary water feeding system comprises the vacuum water diversion tank and the water pump is connected with the water outlet end of the vacuum water diversion tank, and the water outlet side of the water pump is connected with the digestion bin through a water pipe.
5. The system for digesting active CaO in a fly ash according to claim 1, wherein: the industrial water pump is arranged on the water outlet pipe, and the electronic flowmeter is arranged on the water outlet pipe and the water pipe.
6. A system for digesting active CaO in a fly ash according to claim 3, wherein: the discharger is a star discharger.
7. The system for digesting active CaO in a fly ash according to claim 2, wherein: nylon lining plates are laid on the inner wall of the bin body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322951499.1U CN221051757U (en) | 2023-11-01 | 2023-11-01 | Active CaO digestive system in fly ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322951499.1U CN221051757U (en) | 2023-11-01 | 2023-11-01 | Active CaO digestive system in fly ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221051757U true CN221051757U (en) | 2024-05-31 |
Family
ID=91198153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322951499.1U Active CN221051757U (en) | 2023-11-01 | 2023-11-01 | Active CaO digestive system in fly ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221051757U (en) |
-
2023
- 2023-11-01 CN CN202322951499.1U patent/CN221051757U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109971947A (en) | Cold-bonded pellet and preparation and use methods thereof | |
| CN102352380A (en) | Food residue and sludge mixing anaerobic treatment method and system | |
| CN108437198B (en) | High-efficiency energy-saving environment-friendly ash-removing mixer | |
| CN100463974C (en) | Blast furnace dry quenching powder spraying process and equipment | |
| CN102978387A (en) | Process for producing cold-bonded pellet by using fly ash in steel solid waste | |
| CN216073964U (en) | Mixed pelletization system of sintering | |
| CN109913642B (en) | Rotary hearth furnace raw material treatment system and process thereof | |
| CN221051757U (en) | Active CaO digestive system in fly ash | |
| CN110616316A (en) | Compact dust removal ball pressing treatment system | |
| CN206483802U (en) | A kind of electrolytic manganese residues processing system | |
| CN112410499B (en) | Digestion device and digestion method for free calcium oxide in converter fly ash | |
| CN113718101A (en) | Sintering mixing granulation process and system | |
| CN111961868A (en) | Digestion preparation method of converter waste sludge | |
| CN209468136U (en) | A kind of waste and old lead acid accumulator lead plaster prepares the device of lead oxide | |
| CN209923399U (en) | Rotary hearth furnace raw material processing system | |
| CN110698099A (en) | Secondary utilization method of ceramic industrial polishing slag in concrete and mortar | |
| CN1385255A (en) | Iron-containing mud and sintered return mine reuse method | |
| CN213388289U (en) | Multifunctional metallurgy solid waste recovery system | |
| CN211227270U (en) | Compact dust removal ball pressing treatment system | |
| CN214115367U (en) | System for refining slag preparation cement raw materials | |
| CN107012319A (en) | One kind is used to sinter digestion steel-smelting sewage sludge system and method | |
| CN208055034U (en) | A kind of system preparing water treating softener agent using chemical plant carbide slag | |
| CN206872890U (en) | One kind is used to sinter digestion steel-smelting sewage sludge system | |
| CN206783730U (en) | A kind of mixed grind mixer feeding structure | |
| CN108217986A (en) | A kind of system and method that water treating softener agent is prepared using chemical plant carbide slag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |